c12s-kubespray/roles/etcd/templates/deb-etcd.initd.j2

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#!/bin/sh
set -a
### BEGIN INIT INFO
# Provides: etcd
# Required-Start: $local_fs $network $syslog
# Required-Stop:
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: etcd distributed k/v store
# Description:
# etcd is a distributed, consistent key-value store for shared configuration and service discovery
### END INIT INFO
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="etcd k/v store"
NAME=etcd
DAEMON={{ bin_dir }}/etcd
{% if inventory_hostname in groups['etcd'] %}
DAEMON_ARGS=""
{% else %}
DAEMON_ARGS="-proxy on"
{% endif %}
SCRIPTNAME=/etc/init.d/$NAME
DAEMON_USER=etcd
STOP_SCHEDULE="${STOP_SCHEDULE:-QUIT/5/TERM/5/KILL/5}"
PID=/var/run/etcd.pid
# Exit if the binary is not present
[ -x "$DAEMON" ] || exit 0
# Read configuration variable file if it is present
[ -f /etc/etcd.env ] && . /etc/etcd.env
# Define LSB log_* functions.
# Depend on lsb-base (>= 3.2-14) to ensure that this file is present
# and status_of_proc is working.
. /lib/lsb/init-functions
do_status()
{
status_of_proc -p $PID "$DAEMON" "$NAME" && exit 0 || exit $?
}
# Function that starts the daemon/service
#
do_start()
{
start-stop-daemon --background --start --quiet --make-pidfile --pidfile $PID --user $DAEMON_USER --exec $DAEMON \
$DAEMON_OPTS \
|| return 2
}
#
# Function that stops the daemon/service
#
do_stop()
{
start-stop-daemon --stop --quiet --retry=$STOP_SCHEDULE --pidfile $PID --name $NAME
RETVAL="$?"
sleep 1
return "$RETVAL"
}
case "$1" in
start)
log_daemon_msg "Starting $DESC" "$NAME"
do_start
case "$?" in
0|1) log_end_msg 0 || exit 0 ;;
2) log_end_msg 1 || exit 1 ;;
esac
;;
stop)
log_daemon_msg "Stopping $DESC" "$NAME"
if do_stop; then
log_end_msg 0
else
log_failure_msg "Can't stop etcd"
log_end_msg 1
fi
;;
status)
if do_status; then
log_end_msg 0
else
log_failure_msg "etcd is not running"
log_end_msg 1
fi
;;
restart|force-reload)
log_daemon_msg "Restarting $DESC" "$NAME"
if do_stop; then
if do_start; then
log_end_msg 0
exit 0
else
rc="$?"
fi
else
rc="$?"
fi
log_failure_msg "Can't restart etcd"
log_end_msg ${rc}
;;
*)
echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
exit 3
;;
esac